A combustion system has two burners, each with its own fuel inlet with its own shut-off valve. The probability that a valve will not work in an emergency is 0.07. Both valves must work to stop fuel flow. What is the probability that the valves will fail to stop fuel in an emergency? a. 0.172 b. 0.140 c. 0.135 d. 0.005 С. A burner has one fuel inlet line with two shut-off valves in series. Each valve has a probability of not working of 0.07. As long as either valve works, fuel flow stops. What is the probability the valves will fail stop fuel in an emergency? a. 0.172 ь. О.140 c. 0.135 d. 0.005 С.

Q: 60% of all students at a college still need to take another math class. If 4 students are randomly…

A: Givenp=0.60n=4x~Binomial(n=4,p=0.60)P(X=x)=(nx)×px×(1-p)n-x ; x=0,1...,n

Q: . If the ball is white, find the probability that the first urn was selected

A: Let us define some events A : The first urn is selected. B : the second urn is selected. E : the…

Q: Suppose that the probability that Bob will go downtown is  14%.  Now, also suppose that if Bob goes…

A:

Q: According to a recent survey, 80% of all teenagers own a smartphone. If we select 10 teenagers at…

A:

Q: A certain disease has an incidence rate of 0.2%. If the false negative rate is 4% and the false…

A:

Q: A pair of dice are tossed twice. Find the probability that the first roll is a total of at least 12…

A: roll pair of dice twice.  roll dice : {1,2,3,4,5,6} for rolling pair of dice : total outcomes = 36

Q: A soccer player is practicing her goal kicking. She has a probability of 3/5 of scoring a goal with…

A: The sample size n is 15 and p=3/5.

Q: If the probability that an event does no occur is 0.3 determine the probability that the event…

A:

Q: An urn contains 2 white balls and 8 red balls. A second urn contains 6 white balls and 4 red balls.…

A:

Q: Harry is a soccer player who practices penalty kickc many times each day. Each time Harry takes a…

A: p(goal)=p=0.7q=1-p=0.3n=20x=no. of goalsp(X=x)=nCxpxqn-x      binomial

Q: In a local archery contest, the probability that Samuel will be successful on each shot is 82.5% If…

A: Let X be the random variable from binomial distribution with probability of success (p) = 82.5% =…

Q: Part a through c.

A: Step 1:Given:•  n = 50 •  p = 0.45Let's denote  X  as the number of people with a passport in the…

Q: The probability that Aiko can drive to work without having to stop at a red light is 0.125. The odds…

A: Given that  The probability that Aiko can drive to work without having to stop at a red light is…

Q: Every day, Jorge buys a lottery ticket. Each ticket has a probability of 0.2 of winning a prize.…

A: Given that the probability of winning a prize is p = 0.2. Let, X = Number of prizes won by Jorge…

Q: Find the probability of the indicated event if ​P(E)=0.25 and ​P(F)=0.55. Find​ P(E and​ F) if​ P(E…

A: Here we need to find P(E and F).

Q: Find the probability that the day of the week begins with a T or a W

A: We know, number of days in a week = 7 set of days in a week = {Monday, Tuesday, Wednesday, Thursday,…

Q: A hunter is able to hit the flying bird 40% of the time. If he shoots 8 bullets, what is the…

A: According to the given information, we have A hunter is able to hit the flying bird 40% of the time.…

Q: Use the appropriate table to solve this problem: At an online computer store 60% of computers sold…

A: Given that at an online computer store 60% of computers sold are laptops.

Q: According to a recent survey, the probability that the driver in a fatal vehicle accident is female…

A:

Q: Find the probability of the indicated event if P(E) = 0.20 and P(F) = 0.45. Find P(E or F) if P(E…

A:

Q: A woman plans to have two children. The probability that each child is a boy is 0.525, and the birth…

A: Given,P(a baby boy)=0.525P(a baby girl)=1-0.525=0.475

Q: The probability of a tornado in your home county in any one year is 0.073. What is the probability…

A: Answer:- Given, The probability of a tornado in your home county in any one year is 0.073. That is,…

Q: The frequency of twin births has been increasing in recent years so that in 2022 about 4% of all…

A: From given in 2022 about 4% of all births were twins. and The probability of a birth being that of…

Q: flipped. If it shows heads, you draw a marble from shows tails, you draw a marble from urn B with 3…

A: Given: P(H)=0.7 P(T)=0.3 Heads-Urn A-1 Blue and 4 red Tails- Urn B- 3 blue and 1 red

Q: After seven days, what is the probability that Jorge has won at least one prize

A: Let p be ghe probability of winning a prize. Given that p = 0.4 Let X denote the number of prizes…

Q: Find the probability of the indicated event if ​P(E)=0.30 and ​P(F)=0.45. Find​ P(E or​ F) if​ P(E…

A: Solution: From the given information,

Q: In a certain year, the probability that a randomly selected vehicle would be involved in a deadly…

A: We know that, given a tire-related accident, the probability of it being deadly  is 0.04 P(Deadly |…

Q: The probability that Aiko can drive to work without having to stop at a red light is 0.125. The odds…

A: Given: The probability of not having to stop at a red light is: P(Not Stop) = 0.125

Q: An urn contains 4 white balls and 6 red balls. A second urn contains 7 white balls and 3 red balls.…

A: given that…

Q: Based on Julie's Semester 1 Mathematics 1 Quiz scores, the probability that Julie obtains a perfect…

A: Given data P(perfect score) =p = 0.7first success on xth trial ;  geometric distribution P(x=X) =…